MLB belt games · Washington Nationals, Boston Red Sox, Los Angeles Dodgers
Mason Thompson
Played in 10 belt games from July 7, 2022 to September 19, 2025, winning 3. Helped take the belt 1 time.
10Belt games
3–7Record
1Title-winning games
0.0H per belt game
Belt-game totals: 10 K, 6.5 IP.
| Date | Game | W/L | AB | R | H | HR | RBI | BB | SO | IP | HA | ER | K |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 19, 2025 | Nationals at New York MetsChallenger, lost · 12–6 | L | — | — | — | — | — | — | — | 1 | 2 | 3 | 2 |
| Jul 13, 2025 | Nationals at Milwaukee BrewersChallenger, lost · 8–1 | L | — | — | — | — | — | — | — | 1 | 0 | 0 | 1 |
| Sep 10, 2023 | Nationals vs. Los Angeles DodgersLost the belt · 7–3 | L | — | — | — | — | — | — | — | 0.2 | 3 | 1 | 1 |
| Sep 8, 2023 | Nationals vs. Los Angeles DodgersChallenger, lost · 8–5 | L | — | — | — | — | — | — | — | 0.1 | 1 | 0 | 1 |
| Aug 25, 2023 | Dodgers at Boston Red SoxKept the belt · 7–4 | W | — | — | — | — | — | — | — | 0 | 5 | 4 | 0 |
| Jul 2, 2023 | Red Sox at Toronto Blue JaysKept the belt · 5–4 | W | — | — | — | — | — | — | — | 0.1 | 2 | 1 | 1 |
| Jun 16, 2023 | Nationals vs. Miami MarlinsLost the belt · 6–5 | L | — | — | — | — | — | — | — | 1 | 1 | 0 | 1 |
| Jun 15, 2023 | Nationals at Houston AstrosTook the belt · 4–1 | W | — | — | — | — | — | — | — | 1.1 | 0 | 0 | 1 |
| Jun 13, 2023 | Nationals at Houston AstrosLost the belt · 6–1 | L | — | — | — | — | — | — | — | 1 | 0 | 0 | 2 |
| Jul 7, 2022 | Nationals at Philadelphia PhilliesLost the belt · 5–3 | L | — | — | — | — | — | — | — | 1 | 0 | 0 | 0 |
Box scores: MLB's Stats API (statsapi.mlb.com). HA, ER, K are pitching. Stats a season didn't track show as —.